Cisco's X15.4 documentation is internally inconsistent on the maximum capacity multiplier of an Expressway cluster: the cluster deployment guide says four times with no gain after four peers, while the Administrator Guide capacity chapter describes a 5+1 model yielding five times.

disputed · Checked 2026-09-25

Vendor
Cisco
Product
Cisco Expressway
Subsystem
clustering capacity
Deployment
on-premises
Region
not restricted
Release range
X15.4
Status
disputed
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Cisco Expressway clustering: source note expressway-clustering-scaling-factor-disputed. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-clustering-scaling-factor-disputed

BibTeX

@misc{warmtransfer-claim-expressway-clustering-scaling-factor-disputed,
  title  = {Cisco Expressway clustering: source note expressway-clustering-scaling-factor-disputed},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/expressway-clustering-scaling-factor-disputed},
  note   = {Source note expressway-clustering-scaling-factor-disputed, checked 2026-09-25}
}

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